Twisted Key Publishing

Twisted Key Publishing

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TWISTED KEY PUBLISHING

CHILDREN’S MYSTERIES & DETECTIVE STORIES

Ava & Carol Detective Agency Series

children's mysteries detectives
Book 1: The Mystery of the Pharaoh’s Diamonds

It would seem the pharaohs of Egypt may not be resting very peacefully these days. International jewel smugglers have made off with the famous Ramesses diamonds from the Hancock Museum  of Archeology! Precious stones themselves, these sparkly treasures are worth more than just  money—they’re ancient history! So for a very special case it will take a very special crime team to  hunt down these jewels and save the day. Ava and Carol are two best friends who know how to  foil a crime spree, and nothing will get in their way when they discover what trickery is afoot. 

It’s a race against time as Ava and Carol use quick-thinking and plenty of sass to outwit a band of thieves before the precious diamonds make their way out of the country and out of the lives of his tory lovers everywhere!

Follow the clues and try your luck against a dastardly band of international criminals. Can you save the Ramesses diamonds before they become ancient history—again?

children's mysteries detectives
Book 2: The Mystery of Solomon’s Ring

On this second book of the Ava & Carol Detective Agency series, Ava and Carol were about to take a stroll through Italy, when an old man is chased down and then thrown into the back of a car. At  the last second, using sign language he sends a secret message to the girls.

The girls hide in the shadows as the car races away. Fearing for the man’s life, the girls begin to track down clues. Only what they discover this time, is a religious relic that has magical powers.  

Suddenly evil and powerful villains are chasing them. The clues lead to France, where Ava and Carol are thrust into a secret battle between the Knights Templar and a group of criminals that will  stop at nothing, to get Solomon’s Ring.

children's mysteries detectives
Book 3: The Haunted Mansion

On this third book of the Ava & Carol Detective Agency series, fearless best friends Ava and Carol set out to prove that the Butcher house isn’t haunted. Only, Carol is pretty sure she saw something  inside one of the windows—and moments later, they are chased by a headless monster?!

The girls receive an ominous threat: Stay Away or Else! Now, more than ever, the girls are determined to find out who is trying to scare them away. But before they can continue their investigate tion, a string of mysterious robberies take place. The thieves simply vanish without a trace.

Book 4: Dognapped

A strand of hair, a giant shoe-print – the girls begin putting together a series of clues and suspects that lead them closer to the bad guy. But just when they think they’ve figured everything out, a new  clue is revealed that changes everything. 

Suddenly, the girls are back to square one, and time is running out for Mr. Binxley.

Join Ava and Carol in book four of the exciting Ava and Carol Detective Agency series. Children of all ages will enjoy this fast-paced book.

Dognapped showcases Ava and Carol’s investigative and forensic skills as they dust for finger prints, collect and analyze hair samples, cast footprints, create a hidden camera and use mobile  apps and the internet to help catch the bad guys.

children's mysteries detectives
Book 5: The Eye of God

Join super sleuths, Ava and Carol, as they unravel a secret plot that may lead to a fortune, hidden during the Civil War. The clues lead the girls from the National Gallery of Art in Washington D.C. to a famous historic church in Richmond, Virginia to the mighty James River—where they are caught up in a high stakes race to solve the mystery and find the treasure before the thieves.

Things go from bad to worse when the malicious-minded thieves begin targeting Ava’s parents, and threaten her father’s life, if the girls don’t back down. Will Carol and Ava get to the treasure in time, save Ava’s father, and put the bad guys where they belong? Follow the clues in this riveting middle-school mystery thriller.

children's mysteries detectives
Book 6: The Crown Jewels Mystery

The girls, along with their friend Derik, embark on an adventure to solve the mystery of the missing jewels. If they win, they agree to use the reward money to help a mother with a physically challenged child get a much-needed surgery.

Ava and Carol uncover secrets hidden within historical landmarks. Join the girls as they trek across Concord and Lexington, Massachusetts and compete with other contestants, some of  whom have nefarious intentions.

One mystery soon leads to another, forcing Ava, Carol, and Derik to use every detective skill they possess to crack the clues, and stay ahead of the competition.

If your child likes learning about history, and solving puzzles, this fun, fast-paced mystery will surely delight them.

children's mysteries detectives
Book 7: The Curse of the Red Devil

Ava, Carol, and fellow campers traverse a rickety bridge of death. They fight for survival during an apocalyptic thunderstorm. And most frightening of all, they come face to face with the Red Devil!  This encounter sucks them into a dangerous smuggling scheme. Gustavo, Raul, and Franco the  Bull are stealing and breeding exotic birds and selling them on the black market.

Teaming up with a jungle-savvy local boy named Daniel, Ava and Carol embark on their most dan gerous Amazon adventure of all: defeating the lowlife poachers. The young heroes brim with clever  plans and fierce determination, but are they a match for cold-hearted villains armed with guns and  knives?

children's mysteries detectives
Book 8: The Witch’s Secret

When Ava and Carol discover an ancient locket, the townspeople of Tempest, Maine begin to act strangely. The girls begin to investigate the story of Alice Scarlett. Danger creeps in slowly from  every direction as they work through the clues.

Ava and Carol find themselves matching wits with two dangerous criminals bent on finding Alice’s mysterious treasure—whatever the cost.

Join Ava and Carol along with their new friend Haylee as they race to solve the clues before the bad guys and to clear Alice’s family name.

children's mysteries detectives
Book 9: The Christmas Thief

There’s a time of year that’s full of cheer–but this December, not everything is quite so merry for Ava and Carol Detective Agency. For their holiday house-sitting gig has gone ho-ho-horribly  wrong, and now Mr. Parker’s prized painting is missing! With Christmas Eve approaching, the girls  have little time to tie this burglary up in a bow, and so they’ll need some help from their best friend  Derik.

Using state-of-the-art hacking skills and the trained brains of the best super-sleuths in the business, Ava and Carol set out to unwrap this mystery. However, when the trail of clues leads them to a devastating personal discovery, all bets are off on whether this Christmas will be very merry after  all. How can the girls reconcile terrible deeds when they are done by good people? And how can they turn their backs on a friend at a time like this?

Only with quick-thinking, fast fingers, and big hearts will Ava, Carol, and Derik retrieve the painting in time and put the real bad guys away for good.

Book 10: The Mystery of the Egyptian Pyramid

While Ava’s mom, a world-renowned journalist is investigating the historical records behind King Tut’s discovery, Ava and Carol accidentally, on purpose, become entangled in their own mystery.

They witness an older Egyptian man attempting to convince a police investigator that he is being watched, but his words fall on deaf ears. Ava, who can’t stand to see sad old men, offers their assistance. Omar, the old man, warns them that it’s too dangerous, but that only makes the girls more anxious to help.

Once on the case, the girls discover why Omar is being watched. He has an ancient map with clues that lead to a stolen treasure that had been passed down from King Tut’s grandfather to the boy king himself. As the girls unravel the clues, the thieves become more desperate. If Ava and Carol find the treasure first, they’ll turn it over to the Egyptian government.

In a twisty game of cat and mouse, the girls must use all their investigative skills and creativity to find the treasure before the bad guys, and rescue Omar, who had suddenly disappeared.

Join teen detectives Ava and Carol in this action-packed, Nancy Drew meets National Treasure, mystery adventure as they hunt for the legendary Screaming Monkey statue and unearth the secrets hidden on Nantucket.
Book 11: The Screaming Monkey

When Ava and Carol cross paths with celebrity adventurer Sebastian Strong and his film crew, they stumble onto a legend of lost pirate treasure: the Screaming Monkey statue, rumored to have vanished with the shipwreck of the Whydah Gally. But the deeper they dig, the more they realize this isn’t just a ghost story—it’s a deadly game of secrets, betrayal, and hidden treasure.

Armed with forensic science, fearless determination, and the help of quirky characters, Ava and Carol follow clues through Nantucket’s cemetery and a centuries-old schoolhouse. From coded letters hidden in old Bibles to fingerprints and fibers left behind, every piece of evidence brings them closer to the truth—and closer to ruthless enemies who will stop at nothing to protect their legacy.

Perfect for fans of Nancy Drew, Enola Holmes, and fast-paced treasure hunt mysteries, The Screaming Monkey combines history, adventure, and heart in a thrilling page-turner for young detectives and mystery lovers of all ages.

Will Ava and Carol solve the cipher and uncover the truth before it’s too late? Or will the Screaming Monkey claim its next victims?

Upcoming Book: The Secret at Shadow Creek

Due to COVID-19, several books have been postponed for publication.

We are working diligently to publish it as soon as possible.

Follow the book on Goodreads to receive an email of its release.

You may also follow the authors on Amazon for new book release updates.

Upcoming Book: The Shakespeare Heist

Due to COVID-19, several books have been postponed for publication.

We are working diligently to publish it as soon as possible.

Follow the book on Goodreads to receive an email of its release.

You may also follow the authors on Amazon for new book release updates.

Upcoming Book: Handbook

Due to COVID-19, several books have been postponed for publication.

We are working diligently to publish it as soon as possible.

Follow the book on Goodreads to receive an email of its release.

You may also follow the authors on Amazon for new book release updates.

Evan & Langley Mysteries Series

Book 1: The Secret of Tower Island

Due to COVID-19, several books have been postponed for publication.

We are working diligently to publish it as soon as possible.

Follow the book on Goodreads to receive an email of its release.

You may also follow the authors on Amazon for new book release updates.

GOODREADS
THOMAS LOCKHAVEN
GRACE LOCKHAVEN

S.M.A.R.T. Series

Book 1: Mastermind

They may be just middle schoolers, but Aiko, Dex, Emily, and Jayden are not your average kids. As Team Kaboom, they’ve conquered the Mastermind Competition, but that’s just the beginning of their incredible journey. Each member brings a unique set of skills to the table, from hacking to judo, chemistry, and expert observation. And there’s a secret they’re hiding: they’re the FBI’s ultimate weapon against crime!
When notorious thief Pierre plans a daring escape, Team Kaboom’s talents are put to the ultimate test. With the FBI by their side, these young prodigies must race against time to outsmart Pierre and prevent his getaway. But Pierre is no ordinary criminal; he’s always one step ahead, making their mission a thrilling rollercoaster of codes, chemistry, and cunning.
As the tension escalates, can Team Kaboom use their extraordinary abilities to capture Pierre and save the day? Join them on this heart-pounding adventure filled with suspense, surprises, and the power of young minds at work.